Grain refinement of as-cast superalloy IN718 under action of low voltage pulsed magnetic field

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	Grain refinement of as-cast superalloy IN718 under action of low voltage pulsed magnetic field
	Y. J. Li; X. P. Ma; Y. S. Yang
	2011
发表期刊	Transactions of Nonferrous Metals Society of China
ISSN	1003-6326
卷号	21 期号:6 页码:1277-1282
摘要	The grain refinement of superalloy IN718 under the action of low voltage pulsed magnetic field was investigated. The experimental results show that fine equiaxed grains are acquired under the action of low voltage pulsed magnetic field. The refinement effect of the pulsed magnetic field is affected by the melt cooling rate and superheating. The decrease of cooling rate and superheating enhance the refinement effect of the low voltage pulsed magnetic field. The magnetic force and the melt flow during solidification are modeled and simulated to reveal the grain refinement mechanism. It is considered that the melt convection caused by the pulsed magnetic field, as well as cooling rate and superheating contributes to the refinement of solidified grains.
部门归属	[li ying-ju; ma xiao-ping; yang yuan-sheng] chinese acad sci, inst met res, shenyang 110016, peoples r china.;yang, ys (reprint author), chinese acad sci, inst met res, shenyang 110016, peoples r china;ysyang@imr.ac.cn
关键词	Superalloy Grain Refinement Low Voltage Pulsed Magnetic Field Cooling Rate Superheating Austenitic Stainless-steel Microstructure Al
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WOS记录号	WOS:000293005400012
引用统计	被引频次：35[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/30493
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. J. Li,X. P. Ma,Y. S. Yang. Grain refinement of as-cast superalloy IN718 under action of low voltage pulsed magnetic field[J]. Transactions of Nonferrous Metals Society of China,2011,21(6):1277-1282.
APA	Y. J. Li,X. P. Ma,&Y. S. Yang.(2011).Grain refinement of as-cast superalloy IN718 under action of low voltage pulsed magnetic field.Transactions of Nonferrous Metals Society of China,21(6),1277-1282.
MLA	Y. J. Li,et al."Grain refinement of as-cast superalloy IN718 under action of low voltage pulsed magnetic field".Transactions of Nonferrous Metals Society of China 21.6(2011):1277-1282.